<div class="row">
   <tr>
   <td>
    <div class="col-sa-4">
	SERVEUR
	</div>
	<div class="col-sa-4">
	<?php var_dump($_SERVER);?>
	</div>
	  </td>
	    <td>
	<div class="col-sa-4">
	LES CONSTANTES
	</div>
	<div class="col-sa-4">
	<?php var_dump(get_defined_constants());?>
	</div>
	 </td>
	    <td>
	<div class="col-sa-4">
	LES SESSIONS
	</div>
	<div class="col-sa-4">
	<?php var_dump($_SESSION);?>
	</div>
	 </td>
</tr>  
</div>
